Digital Dentistry Flashcards
1
Q
What is the digital workflow for complete dentures?
A
- data acquisition (direct intraoral scan or indirect scan of cast/impression)
- designing (denture design software)
- manufacturing (printed denture/milled denture)
2
Q
What are the advantages of digital workflow for complete dentures?
A
- elimination of cumbersome denture tooth arrangment
- subsequent resin injection or packing
- reproducibility of the dentures = the design data file can be stored in a backup device and resued later to manufacture the same denture
3
Q
Why should you use digital dentures?
A
- faster completion time
- less appointments
- lower cost
- digital record, easy duplication
- almost any fully edentulous case
- attractive
- strong
4
Q
What are the steps for digital complete dentures?
A
- preliminary impression and fabrication of custom tray (visit 1)
- final impression, fabrication of master cast and recoding base and wax rim (visit 2)
- occlusal registration (visit 3)
- scan models and occlusal registration (design denture base and digital mounting)
- digital set up teeth and wax up
- optional denture try in (visit 4)
- delivery (visit 4 or 5)
5
Q
What is visit 1 for digital complete dentures?
A
preliminary impression/diagnostic model
6
Q
What is visit 2 for digital complete dentures?
A
final impression and occlusal registration
7
Q
How do you do a try in with CAD/CAM dentures?
A
3D printed prototype
8
Q
What is the difference between milled and 3D printed digital dentures?
A
- 3D printed resins have lower flexural strength and hardness values
- 3D printed resins have higher sorption and solubility
- No significant deference in accuracy between milled and 3D printed digital dentures
